Methyl acetoacetate
乙酰乙酸甲酯
Also known as: Methyl 3-oxobutanoate, Acetoacetic acid methyl ester, Methyl 3-oxobutyrate, 3-Oxobutyric acid methyl ester, Butanoic acid, 3-oxo-, methyl ester, 3-Oxobutanoic acid methyl ester
- CAS No.
- 105-45-3
- Jingsj CID
- J-30609-8
- Molecular Formula
- C5H8O3
- Chinese Name
- 乙酰乙酸甲酯
- Molecular Weight
- 116.115 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | -28 °C |
|---|---|
| Boiling Point | 169.4±8.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 61.6±18.5 °C |
GHS Safety & Compliance
IrritantSignal word: Warning
Frequently Asked Questions
What is the CAS number of Methyl acetoacetate?
105-45-3
What are the molecular formula and molecular weight of Methyl acetoacetate?
C5H8O3, molecular weight 116.115 g/mol
Is Methyl acetoacetate hazardous?
Warning
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026